Parse partition csv file line' Offset(Start address) and Size values

containing 0x 0X hexadecimal or M,m,K,k bytes as described in
https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/partition-tables.html#offset-size
Similarily to gen_esp32part.py

Author: lorol

Diff for: src/ESP32FS.java

@@ -154,7 +154,9 @@ private String getBuildFolderPath(Sketch s) {
   }
 
   private long parseInt(String value){
-    if(value.startsWith("0x")) return Long.parseLong(value.substring(2), 16);
+    if(value.endsWith("m") || value.endsWith("M")) return 1024*1024*Long.parseLong(value.substring(0, (value.length() - 1)));
+    else if(value.endsWith("k") || value.endsWith("K")) return 1024*Long.parseLong(value.substring(0, (value.length() - 1)));
+    else if(value.startsWith("0x") || value.startsWith("0X")) return Long.parseLong(value.substring(2), 16);
     else return Integer.parseInt(value);
   }